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-rw-r--r--src/test/ui/consts/issue-73976-monomorphic.rs36
1 files changed, 36 insertions, 0 deletions
diff --git a/src/test/ui/consts/issue-73976-monomorphic.rs b/src/test/ui/consts/issue-73976-monomorphic.rs
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index 000000000..7706a97f2
--- /dev/null
+++ b/src/test/ui/consts/issue-73976-monomorphic.rs
@@ -0,0 +1,36 @@
+// check-pass
+//
+// This test is complement to the test in issue-73976-polymorphic.rs.
+// In that test we ensure that polymorphic use of type_id and type_name in patterns
+// will be properly rejected. This test will ensure that monomorphic use of these
+// would not be wrongly rejected in patterns.
+
+#![feature(const_type_id)]
+#![feature(const_type_name)]
+
+use std::any::{self, TypeId};
+
+pub struct GetTypeId<T>(T);
+
+impl<T: 'static> GetTypeId<T> {
+ pub const VALUE: TypeId = TypeId::of::<T>();
+}
+
+const fn check_type_id<T: 'static>() -> bool {
+ matches!(GetTypeId::<T>::VALUE, GetTypeId::<usize>::VALUE)
+}
+
+pub struct GetTypeNameLen<T>(T);
+
+impl<T: 'static> GetTypeNameLen<T> {
+ pub const VALUE: usize = any::type_name::<T>().len();
+}
+
+const fn check_type_name_len<T: 'static>() -> bool {
+ matches!(GetTypeNameLen::<T>::VALUE, GetTypeNameLen::<usize>::VALUE)
+}
+
+fn main() {
+ assert!(check_type_id::<usize>());
+ assert!(check_type_name_len::<usize>());
+}